.div {
  width: 100%;
  height: 90px;
  position: relative;
}
/* 顶条列表  */
.nav1 {
  width: 100%;
  height: 50px;
  background: #d32f2f;
}
.nav1_1 {
  width: 98%;
  height: 50px;
  margin: 0 auto;
}
.limg {
  display: block;
  width: 150px;
  height: 50px;
  position: absolute;
}
.hul {
  float: right;
  width: 300px;
  height: 50px;
  display: flex;
}
.hul li {
  height: 50px;
  width: 75px;
  line-height: 50px;
  color: white;
  text-align: center;
}
.hul li .a {
  color: white;
}
li:hover {
  background: white;
  color: #d32f2f;
}
.hul li .a:hover {
  color: #d32f2f;
}
.helpl {
  position: relative;
}
.help {
  /* position: absolute;
  top: 50px;
  left: 0px;
  width: 200px;
  background: white;
  border: 1px solid #333333; */
  position: absolute;
  width: 206px;
  background-color: #ffffff;
  border-radius: 4px;
  border: 1px solid #cccccc;
  padding-top: 8px;
  padding-bottom: 8px;
  margin-top: 12px;
  margin-left: -100px;
  box-shadow: 0 6px 9px 0 rgba(0, 0, 0, 0.3);
  z-index: 11;
  left: 50%;
}
.help li {
  width: 100%;
}
/* 顶条下方列表  */
.nav2 {
  width: 100%;
  height: 40px;
}
.nav2_1 {
  width: 98%;
  height: 40px;
  margin: 0 auto;
}
.nav2_1 ul {
  width: 430px;
  height: 40px;
  line-height: 40px;
}
.nav2_1 ul li {
  float: left;
  margin: 0 5px;
  font-size: 12px;
}
.user1 {
  position: absolute;
  width: 206px;
  background-color: #ffffff;
  border-radius: 4px;
  border: 1px solid #cccccc;
  padding-top: 8px;
  padding-bottom: 8px;
  margin-top: 12px;
  margin-left: 400px;
  box-shadow: 0 6px 9px 0 rgba(0, 0, 0, 0.3);
  z-index: 11;
  left: 50%;
}
